Finding the Third Proportional to 43,174 and 57,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,174 : 57,385.50 = 57,385.50 : x
2. Step 2: Convert to fraction form
   43,174/57,385.50 = 57,385.50/x
3. Step 3: Cross multiply
   43,174x = 57,385.50 × 57,385.50
4. Step 4: Simplify right side
   43,174x = 3,293,095,610.25
5. Step 5: Solve for x
   x = 3,293,095,610.25/43,174
6. Step 6: Final answer
   x = 76,274.97